Home People Zach Callison Zach Callison shows Zach Callison shows Zach Callison TV Shows (6) Dragons: Rescue Riders (2019) He was 21 years old Grey's Anatomy: B-Team (2018) As Oscar, He was 20 years old Dark & Dicey (2018) As Werblund, He was 20 years old Steven Universe (2013) As Steven (voice), He was 16 years old The Goldbergs (2013) As Brian Corbett, He was 15 years old Hannah Montana (2006) As Douglas, He was 8 years old
